sample_tuple = ('apple', 'banana', 'cherry')
print(sample_tuple[1])  # 输出：banana

try:
    sample_tuple[1] = "blueberry"
except TypeError as e:
    print(f"Cannot modify tuple elements directly: {e}")  
# 输出：'tuple' object does not support item assignment

complex_tuple = (1, "hello", 3.14)
print(complex_tuple)  # 输出：(1, 'hello', 3.14)
